.head {
    background-color: #333;

}

.center {
    background-image: url(../imgs/0.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 1000px;
}

.card {

    background-color: rgba(66, 98, 110, 0.7);
    opacity: 4;
    color: white;
}

.center {
    max-height: 300px;
    padding: 50px;
    display: flex;
    flex-wrap: wrap;
}

.center-item {
    padding: 20px;
}

.form-box {
    padding-top: 100px;
    margin: 0 auto;
}

.form-group {
    background-color: rgba(66, 98, 110, 0.7);
    opacity: 4;
    color: yellow;
}
.btm{
    min-height: 40px;
    background-color: #333;
}